Add wheel builds

.github/workflows/wheels.yml

@@ -0,0 +1,80 @@
+name: cuDF wheels
+
+on:
+  push:
+    branches:
+      - 'pull-request/[0-9]+'
+  workflow_call:
+    inputs:
+      versioneer-override:
+        type: string
+        default: ''
+      build-tag:
+        type: string
+        default: ''
+      branch:
+        required: true
+        type: string
+      date:
+        required: true
+        type: string
+      sha:
+        required: true
+        type: string
+      build-type:
+        type: string
+        default: nightly
+
+concurrency:
+  group: "cudf-${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  cudf-wheels:
+    uses: rapidsai/shared-action-workflows/.github/workflows/wheels-manylinux.yml@feat/pure-python-wheels
+    with:
+      repo: rapidsai/cudf
+
+      build-type: ${{ inputs.build-type || 'pull-request' }}
+      branch: ${{ inputs.branch }}
+      sha: ${{ inputs.sha }}
+      date: ${{ inputs.date }}
+
+      package-dir: python/cudf
+      package-name: cudf
+
+      python-package-versioneer-override: ${{ inputs.versioneer-override }}
+      python-package-build-tag: ${{ inputs.build-tag }}
+
+      skbuild-configure-options: "-DCUDF_BUILD_WHEELS=ON -DDETECT_CONDA_ENV=OFF"
+
+      test-extras:  test
+
+      # Have to manually specify the cupy install location on arm.
+      # Have to also manually install tokenizers==0.10.2, which is the last tokenizers
+      # to have a binary aarch64 wheel available on PyPI
+      # Otherwise, the tokenizers sdist is used, which needs a Rust compiler
+      test-before-arm64: "pip install tokenizers==0.10.2 cupy-cuda11x -f https://pip.cupy.dev/aarch64"
+
+      test-unittest: "pytest -v -n 8 ./python/cudf/cudf/tests"
+    secrets: inherit
+  dask_cudf-wheel:
+    needs: cudf-wheels
+    uses: rapidsai/shared-action-workflows/.github/workflows/wheels-pure.yml@feat/pure-python-wheels
+    with:
+      repo: rapidsai/cudf
+
+      build-type: ${{ inputs.build-type || 'pull-request' }}
+      branch: ${{ inputs.branch }}
+      sha: ${{ inputs.sha }}
+      date: ${{ inputs.date }}
+
+      package-dir: python/dask_cudf
+      package-name: dask_cudf
+
+      python-package-versioneer-override: ${{ inputs.versioneer-override }}
+      python-package-build-tag: ${{ inputs.build-tag }}
+
+      test-extras:  test
+      test-unittest: "pytest -v -n 8 ./python/dask_cudf/dask_cudf/tests"
+    secrets: inherit

.gitignore

@@ -167,3 +167,6 @@ docs/cudf/source/api_docs/generated/*
 docs/cudf/source/api_docs/api/*
 docs/cudf/source/user_guide/example_output/*
 docs/cudf/source/user_guide/cudf.*Dtype.*.rst
+
+# cibuildwheel
+/wheelhouse

cpp/CMakeLists.txt

@@ -48,6 +48,7 @@ option(BUILD_TESTS "Configure CMake to build tests" ON)
 option(BUILD_BENCHMARKS "Configure CMake to build (google & nvbench) benchmarks" OFF)
 option(BUILD_SHARED_LIBS "Build cuDF shared libraries" ON)
 option(JITIFY_USE_CACHE "Use a file cache for JIT compiled kernels" ON)
+option(CUDF_BUILD_TESTUTIL "Whether to build the test utilities contained in libcudf" ON)
 option(CUDF_USE_PROPRIETARY_NVCOMP "Download and use NVCOMP with proprietary extensions" ON)
 option(CUDF_USE_ARROW_STATIC "Build and statically link Arrow libraries" OFF)
 option(CUDF_ENABLE_ARROW_ORC "Build the Arrow ORC adapter" OFF)
@@ -94,6 +95,12 @@ message(VERBOSE "CUDF: Statically link the CUDA runtime: ${CUDA_STATIC_RUNTIME}"
 rapids_cmake_build_type("Release")
 set(CUDF_BUILD_TESTS ${BUILD_TESTS})
 set(CUDF_BUILD_BENCHMARKS ${BUILD_BENCHMARKS})
+if(BUILD_TESTS AND NOT CUDF_BUILD_TESTUTIL)
+  message(
+    FATAL_ERROR
+      "Tests cannot be built without building cudf test utils. Please set CUDF_BUILD_TESTUTIL=ON or BUILD_TESTS=OFF"
+  )
+endif()
 
 set(CUDF_CXX_FLAGS "")
 set(CUDF_CUDA_FLAGS "")
@@ -133,12 +140,14 @@ include(cmake/Modules/ConfigureCUDA.cmake) # set other CUDA compilation flags
 # find zlib
 rapids_find_package(ZLIB REQUIRED)
 
-# find Threads (needed by cudftestutil)
-rapids_find_package(
-  Threads REQUIRED
-  BUILD_EXPORT_SET cudf-exports
-  INSTALL_EXPORT_SET cudf-exports
-)
+if(CUDF_BUILD_TESTUTIL)
+  # find Threads (needed by cudftestutil)
+  rapids_find_package(
+    Threads REQUIRED
+    BUILD_EXPORT_SET cudf-exports
+    INSTALL_EXPORT_SET cudf-exports
+  )
+endif()
 
 # add third party dependencies using CPM
 rapids_cpm_init()
@@ -160,7 +169,9 @@ rapids_cpm_libcudacxx(BUILD_EXPORT_SET cudf-exports INSTALL_EXPORT_SET cudf-expo
 # find cuCollections Should come after including thrust and libcudacxx
 include(cmake/thirdparty/get_cucollections.cmake)
 # find or install GoogleTest
-include(cmake/thirdparty/get_gtest.cmake)
+if(CUDF_BUILD_TESTUTIL)
+  include(cmake/thirdparty/get_gtest.cmake)
+endif()
 # preprocess jitify-able kernels
 include(cmake/Modules/JitifyPreprocessKernels.cmake)
 # find cuFile
@@ -693,46 +704,48 @@ add_library(cudf::cudf ALIAS cudf)
 # ##################################################################################################
 # * build cudftestutil ----------------------------------------------------------------------------
 
-add_library(
-  cudftestutil STATIC
-  tests/io/metadata_utilities.cpp
-  tests/utilities/base_fixture.cpp
-  tests/utilities/column_utilities.cu
-  tests/utilities/table_utilities.cu
-  tests/utilities/tdigest_utilities.cu
-)
+if(CUDF_BUILD_TESTUTIL)
+  add_library(
+    cudftestutil STATIC
+    tests/io/metadata_utilities.cpp
+    tests/utilities/base_fixture.cpp
+    tests/utilities/column_utilities.cu
+    tests/utilities/table_utilities.cu
+    tests/utilities/tdigest_utilities.cu
+  )
 
-set_target_properties(
-  cudftestutil
-  PROPERTIES BUILD_RPATH "\$ORIGIN"
-             INSTALL_RPATH "\$ORIGIN"
-             # set target compile options
-             CXX_STANDARD 17
-             CXX_STANDARD_REQUIRED ON
-             CUDA_STANDARD 17
-             CUDA_STANDARD_REQUIRED ON
-             POSITION_INDEPENDENT_CODE ON
-             INTERFACE_POSITION_INDEPENDENT_CODE ON
-)
+  set_target_properties(
+    cudftestutil
+    PROPERTIES BUILD_RPATH "\$ORIGIN"
+               INSTALL_RPATH "\$ORIGIN"
+               # set target compile options
+               CXX_STANDARD 17
+               CXX_STANDARD_REQUIRED ON
+               CUDA_STANDARD 17
+               CUDA_STANDARD_REQUIRED ON
+               POSITION_INDEPENDENT_CODE ON
+               INTERFACE_POSITION_INDEPENDENT_CODE ON
+  )
 
-target_compile_options(
-  cudftestutil PUBLIC "$<BUILD_INTERFACE:$<$<COMPILE_LANGUAGE:CXX>:${CUDF_CXX_FLAGS}>>"
-                      "$<BUILD_INTERFACE:$<$<COMPILE_LANGUAGE:CUDA>:${CUDF_CUDA_FLAGS}>>"
-)
+  target_compile_options(
+    cudftestutil PUBLIC "$<BUILD_INTERFACE:$<$<COMPILE_LANGUAGE:CXX>:${CUDF_CXX_FLAGS}>>"
+                        "$<BUILD_INTERFACE:$<$<COMPILE_LANGUAGE:CUDA>:${CUDF_CUDA_FLAGS}>>"
+  )
 
-target_link_libraries(
-  cudftestutil
-  PUBLIC GTest::gmock GTest::gtest Threads::Threads cudf
-  PRIVATE $<TARGET_NAME_IF_EXISTS:conda_env>
-)
+  target_link_libraries(
+    cudftestutil
+    PUBLIC GTest::gmock GTest::gtest Threads::Threads cudf
+    PRIVATE $<TARGET_NAME_IF_EXISTS:conda_env>
+  )
 
-target_include_directories(
-  cudftestutil PUBLIC "$<BUILD_INTERFACE:${CUDF_SOURCE_DIR}>"
-                      "$<BUILD_INTERFACE:${CUDF_SOURCE_DIR}/src>"
-)
+  target_include_directories(
+    cudftestutil PUBLIC "$<BUILD_INTERFACE:${CUDF_SOURCE_DIR}>"
+                        "$<BUILD_INTERFACE:${CUDF_SOURCE_DIR}/src>"
+  )
 
-add_library(cudf::cudftestutil ALIAS cudftestutil)
+  add_library(cudf::cudftestutil ALIAS cudftestutil)
 
+endif()
 # ##################################################################################################
 # * add tests -------------------------------------------------------------------------------------
 
@@ -787,24 +800,26 @@ install(DIRECTORY ${CUDF_SOURCE_DIR}/include/cudf ${CUDF_SOURCE_DIR}/include/cud
                   ${CUDF_SOURCE_DIR}/include/nvtext DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
 
-install(
-  TARGETS cudftestutil
-  DESTINATION ${lib_dir}
-  EXPORT cudf-testing-exports
-)
+if(CUDF_BUILD_TESTUTIL)
+  install(
+    TARGETS cudftestutil
+    DESTINATION ${lib_dir}
+    EXPORT cudf-testing-exports
+  )
 
-install(
-  EXPORT cudf-testing-exports
-  FILE cudf-testing-targets.cmake
-  NAMESPACE cudf::
-  DESTINATION "${lib_dir}/cmake/cudf"
-)
+  install(
+    EXPORT cudf-testing-exports
+    FILE cudf-testing-targets.cmake
+    NAMESPACE cudf::
+    DESTINATION "${lib_dir}/cmake/cudf"
+  )
 
-include("${rapids-cmake-dir}/export/write_dependencies.cmake")
-rapids_export_write_dependencies(
-  INSTALL cudf-testing-exports
-  "${PROJECT_BINARY_DIR}/rapids-cmake/cudf/export/cudf-testing-dependencies.cmake"
-)
+  include("${rapids-cmake-dir}/export/write_dependencies.cmake")
+  rapids_export_write_dependencies(
+    INSTALL cudf-testing-exports
+    "${PROJECT_BINARY_DIR}/rapids-cmake/cudf/export/cudf-testing-dependencies.cmake"
+  )
+endif()
 
 set(doc_string
     [=[
@@ -894,6 +909,7 @@ if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/cudf-testing-targets.cmake")
 endif()
 ]=]
 )
+
 string(APPEND build_code_string "${common_code_string}")
 
 rapids_export(
@@ -905,15 +921,16 @@ rapids_export(
   FINAL_CODE_BLOCK build_code_string
 )
 
-export(
-  EXPORT cudf-testing-exports
-  FILE ${CUDF_BINARY_DIR}/cudf-testing-targets.cmake
-  NAMESPACE cudf::
-)
-rapids_export_write_dependencies(
-  BUILD cudf-testing-exports "${CUDF_BINARY_DIR}/cudf-testing-dependencies.cmake"
-)
-
+if(CUDF_BUILD_TESTUTIL)
+  export(
+    EXPORT cudf-testing-exports
+    FILE ${CUDF_BINARY_DIR}/cudf-testing-targets.cmake
+    NAMESPACE cudf::
+  )
+  rapids_export_write_dependencies(
+    BUILD cudf-testing-exports "${CUDF_BINARY_DIR}/cudf-testing-dependencies.cmake"
+  )
+endif()
 # ##################################################################################################
 # * make documentation ----------------------------------------------------------------------------
 

python/cudf/CMakeLists.txt

@@ -31,9 +31,15 @@ project(
 option(FIND_CUDF_CPP "Search for existing CUDF C++ installations before defaulting to local files"
        OFF
 )
+option(CUDF_BUILD_WHEELS "Whether we're building a wheel for pypi" OFF)
 option(USE_LIBARROW_FROM_PYARROW "Use the libarrow contained within pyarrow." OFF)
 mark_as_advanced(USE_LIBARROW_FROM_PYARROW)
 
+# Always build wheels against the pyarrow libarrow.
+if(CUDF_BUILD_WHEELS)
+  set(USE_LIBARROW_FROM_PYARROW ON)
+endif()
+
 # If the user requested it we attempt to find CUDF.
 if(FIND_CUDF_CPP)
   if(USE_LIBARROW_FROM_PYARROW)
@@ -69,8 +75,32 @@ if(NOT cudf_FOUND)
 
   set(BUILD_TESTS OFF)
   set(BUILD_BENCHMARKS OFF)
-  add_subdirectory(../../cpp cudf-cpp)
 
+  set(_exclude_from_all "")
+  if(CUDF_BUILD_WHEELS)
+    # We don't build C++ tests when building wheels, so we can also omit the test util and shrink
+    # the wheel by avoiding embedding GTest.
+    set(CUDF_BUILD_TESTUTIL OFF)
+
+    # Statically link cudart if building wheels
+    set(CUDA_STATIC_RUNTIME ON)
+
+    # Need to set this so all the nvcomp targets are global, not only nvcomp::nvcomp
+    # https://cmake.org/cmake/help/latest/variable/CMAKE_FIND_PACKAGE_TARGETS_GLOBAL.html#variable:CMAKE_FIND_PACKAGE_TARGETS_GLOBAL
+    set(CMAKE_FIND_PACKAGE_TARGETS_GLOBAL ON)
+
+    # Don't install the cuDF C++ targets into wheels
+    set(_exclude_from_all EXCLUDE_FROM_ALL)
+  endif()
+
+  add_subdirectory(../../cpp cudf-cpp ${_exclude_from_all})
+
+  if(CUDF_BUILD_WHEELS)
+    include(cmake/Modules/WheelHelpers.cmake)
+    get_target_property(_nvcomp_link_libs nvcomp::nvcomp INTERFACE_LINK_LIBRARIES)
+    # Ensure all the shared objects we need at runtime are in the wheel
+    add_target_libs_to_wheel(LIB_DIR cudf TARGETS arrow_shared nvcomp::nvcomp ${_nvcomp_link_libs})
+  endif()
   # Since there are multiple subpackages of cudf._lib that require access to libcudf, we place the
   # library in the cudf directory as a single source of truth and modify the other rpaths
   # appropriately.

python/cudf/LICENSE

@@ -0,0 +1 @@
+../../LICENSE

python/cudf/_custom_build/backend.py

@@ -0,0 +1,37 @@
+# Copyright (c) 2022, NVIDIA CORPORATION.
+
+"""Custom build backend for cudf to get versioned requirements.
+
+Based on https://setuptools.pypa.io/en/latest/build_meta.html
+"""
+import os
+from functools import wraps
+
+from setuptools import build_meta as _orig
+
+# Alias the required bits
+build_wheel = _orig.build_wheel
+build_sdist = _orig.build_sdist
+
+
+def replace_requirements(func):
+    @wraps(func)
+    def wrapper(config_settings=None):
+        orig_list = getattr(_orig, func.__name__)(config_settings)
+        append_list = [
+            f"rmm{os.getenv('PYTHON_PACKAGE_CUDA_SUFFIX', default='')}"
+        ]
+        return orig_list + append_list
+
+    return wrapper
+
+
+get_requires_for_build_wheel = replace_requirements(
+    _orig.get_requires_for_build_wheel
+)
+get_requires_for_build_sdist = replace_requirements(
+    _orig.get_requires_for_build_sdist
+)
+get_requires_for_build_editable = replace_requirements(
+    _orig.get_requires_for_build_editable
+)